I'd be foresting you'd be foresting she'd be foresting we'd be foresting you'd be foresting they'd be foresting
Perfect
I should've forested you should've forested she should've forested we should've forested you should've forested they should've forested
V-ing perfect
I should've been foresting you should've been foresting she should've been foresting we should've been foresting you should've been foresting they should've been foresting
Negation
Simple form
I shouldn't forest you shouldn't forest she shouldn't forest we shouldn't forest you shouldn't forest they shouldn't forest
V-ing form
I shouldn't be foresting you shouldn't be foresting she shouldn't be foresting we shouldn't be foresting you shouldn't be foresting they shouldn't be foresting
Perfect
I shouldn't have forested you shouldn't have forested she shouldn't have forested we shouldn't have forested you shouldn't have forested they shouldn't have forested
V-ing perfect
I shouldn't have been foresting you shouldn't have been foresting she shouldn't have been foresting we shouldn't have been foresting you shouldn't have been foresting they shouldn't have been foresting
Interrogative form
Simple form
should I forest? should you forest? should she forest? should we forest? should you forest? should they forest?
V-ing form
should I be foresting? should you be foresting? should she be foresting? should we be foresting? should you be foresting? should they be foresting?
Perfect
should I have forested? should you have forested? should she have forested? should we have forested? should you have forested? should they have forested?
V-ing perfect
should I have been foresting? should you have been foresting? should she have been foresting? should we have been foresting? should you have been foresting? should they have been foresting?
Interro-negative form
Simple form
shouldn't I forest? shouldn't you forest? shouldn't she forest? shouldn't we forest? shouldn't you forest? shouldn't they forest?
V-ing form
shouldn't I be foresting? shouldn't you be foresting? shouldn't she be foresting? shouldn't we be foresting? shouldn't you be foresting? shouldn't they be foresting?
Perfect
shouldn't I have forested? shouldn't you have forested? shouldn't she have forested? shouldn't we have forested? shouldn't you have forested? shouldn't they have forested?
V-ing perfect
shouldn't I have been foresting? shouldn't you have been foresting? shouldn't she have been foresting? shouldn't we have been foresting? shouldn't you have been foresting? shouldn't they have been foresting?